FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A mainframe computer, informally called a mainframe or big iron, is a computer used primarily by large organizations for critical applications like bulk data processing for tasks such as censuses, industry and consumer statistics, enterprise resource planning, and large-scale transaction processing.

Detailed explanation-2: -Businesses today rely on the mainframe to: Perform large-scale transaction processing (thousands of transactions per second) Support thousands of users and application programs concurrently accessing numerous resources. Manage terabytes of information in databases.

Detailed explanation-3: -A mainframe is defined as a large, powerful computer typically used for complex calculations and data processing tasks.

Detailed explanation-4: -Mainframes are large and powerful computers designed to handle heavy workloads. These computers today are about the size of a refrigerator. Mainframes can process massive amounts of data and support thousands of users simultaneously, making them ideal for large organizations with critical applications.